Patent · US Active

Colored zirconia-based sintered body and manufacturing method thereof and decorative member

US7871950B2 · kind B2 · utility

4Cited by
3References
3Claims
0Family size

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Inventors

Key dates

Filing dateMar 16, 2007
Grant dateJan 18, 2011
Priority date
Expiry dateApr 7, 2028

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B2235/9661
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

This invention provides a colored zirconia-based sintered body, mainly composed of zirconia containing a stabilizer, which contains alumina and nickel spinel, and has a novel color tone, and a method for manufacturing such a zirconia-based sintered body. The colored zirconia-based sintered body is applicable not only to a highly decorative product such as a watch, but also to knives, tweezers, machining jigs and holding jigs for electronic parts, and sliding members.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.